RE: Question about AS-Path

From: Huan Pham (huan.pham@valuenet.com.au)
Date: Fri Mar 28 2008 - 11:07:05 ART


Hi Matthew,

You cannot remove private AS if the AS path include both private and public
AS.

http://www.cisco.com/en/US/docs/ios/iproute/command/reference/irp_bgp3.html#
wp1016112

"If the autonomous system path includes both private and public autonomous
system numbers, the software considers this to be a configuration error and
does not remove the private autonomous system numbers."

Cheers,
 
Huan
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Matthew Tang
Sent: Friday, 28 March 2008 6:17 PM
To: ccielab@groupstudy.com
Subject: Question about AS-Path

Gents,

I have one question about as-path, I want to remove some private AS from the
as-path like this:

 65001 123 456 65002 65003 (remove first one and keep 65002 and 65003)

I know juniper can remove the private from left to right and stops when it
hits a public AS, not sure what the cisco solution is? Thanks

Matthew



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